Improved composition for dressing millstones



UNITED" STATES ll UOO IIUIUI UIIUV PATENT OFFICE, 1

WM. means, OF ROCK ISLAND, ILLINOIS.

mPRovEo COMPOSITION FOR DRESSING MI'LLSl' ON ES Specification forming part of Letters Patent No. 4 l,l89, dated September 13,1864.

To all whom it may ooncem."

Be it known that 1, WILLIAM H. HAYES, of Rock Island, in the county of Rock Island and Statebf Illinois, have invented a. new and improved Composition for-Dressing Millstones; and I do hereby declare thatthe following is a full, clear, and exact description thereof, which will enable others skilled in the art. to fully understand and use the same.

Millstones, when dressed in the ordinary manner, will soon be covered with gum and glazing on their surfaces, and their quality to cut and grind is thereby materially impaired,

thefine furrowsare completely blocked up,and the stone has to be rcdressed at great expense and loss of time.

The objectof this invention is to obviate this difiiculty and to remove the glazing and gum from the surfaces of millstones, and to effect this purpose I use a composition mixed together of the followingingredients: muriatie acid; two ounces; carbonate of ammonia, one ounce; alum, pulverized, one ounce; saltpeter,

one'ounce; common salt, oneounee; vinegar, one pint; high-wine, one-half pint.. Thecarbonate of ammonia, alum, saltpeter, and com- 'mon salt is dissolved in the vinegar, and the mu'riatic acid and high wine is added, and af- 'ier the whole mixtnrebas been well stirred toget-her it is fit for use. "It is appliedtothe.

face of the millstones with a brush or in any other suitable manner, and by its use the glazing and gum are removed and the furrows preservetheir original depth and powerto cut and. grind. f" y The applicationoflmy composition requires only a few minutes of time, and its efl'ectis' far superior to that ofthe diamond generally used for dressing millstones,

It must be remarked that instead of highwine, a small quantity of alcohol can be used,

and the quantity of liquidsdepends nnich upon their strength.-

1 do not wish to confine myself to the precise proportions above specified, bntreserve the right to alter the same according-to thequality of the ingredients.

I claim as new and desire to secureby Let 'ters Patent- The use, for dressing millstones,of a compo-. sition made of 'the ingredients above specified and mixed together in about the proportion a'nd substantially in the manner set forth. 4 I WM. 11. HAYES.

Witnesses:

A. FAJLINIG,

O. K. FERG SON. 

